The generator matrix

 1  0  1  1  1  1 X+6  1  1 2X  1  1  1  0  1  1  X  1  6 2X+6  1  1  1  1  1  1  1  1  1  1  1  1  1 2X+6  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  0  1  1  1
 0  1  1  8 X+6 X+5  1 2X 2X+8  1 2X+7 X+1  0  1 2X 2X+1  1 X+8  1  1 X+7  1  5 X+6 X+8 2X+5  0 2X+7 X+6 X+2  6  5 X+5  1  7 2X+8 X+1 2X 2X+1  1 2X+6  X X+8 2X+8  6 X+5  7  4 X+8  5  3  4 2X+1  8  X  0 2X+2  6
 0  0 2X  0  6  6  6  0  6  6 2X+6 2X 2X+3 2X 2X+3  X X+6 X+6 X+6 X+3  X X+3 X+6 2X+6 X+3 X+6  3  6  3  3 2X X+3 2X+3  X 2X 2X+6 2X+6  X  X X+6 2X  3  6  0 X+3 X+3  6 2X+3 2X+6 2X 2X+3  6 2X X+3 2X+3 2X+6  X X+6
 0  0  0  3  3  0  6  6  6  3  6  3  6  3  0  6  6  3  3  0  0  3  6  3  0  3  6  3  0  3  0  0  0  3  3  3  6  6  3  6  6  6  6  3  3  6  3  6  6  3  3  6  0  3  6  3  0  6

generates a code of length 58 over Z9[X]/(X^2+6,3X) who´s minimum homogenous weight is 108.

Homogenous weight enumerator: w(x)=1x^0+164x^108+336x^109+426x^110+1018x^111+1842x^112+1062x^113+1762x^114+2562x^115+1410x^116+2030x^117+2772x^118+1152x^119+1274x^120+1068x^121+270x^122+196x^123+156x^124+12x^125+46x^126+6x^127+24x^128+34x^129+6x^130+18x^131+26x^132+6x^135+2x^141+2x^147

The gray image is a code over GF(3) with n=522, k=9 and d=324.
This code was found by Heurico 1.16 in 1.03 seconds.